import 'package:flutter/material.dart';

class Shouming extends StatefulWidget {
  Shouming({Key key}) : super(key: key);

  _ShoumingState createState() => _ShoumingState();
}

class _ShoumingState extends State<Shouming> {
  @override
  Widget build(BuildContext context) {
    return Scaffold(
         appBar: AppBar(
           title: Text('使用说明'),
         ),
         body: Text('消息详情'),
       );
  }
}